Home / 70,087.32-105,131.79-17,497.26

Finding the Fourth Proportional to 70,087.32, 105,131.79 and 17,497.26

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Solution

The fourth proportional to 70,087.32, 105,131.79 and 17,497.26 is: 26,246.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,087.32 : 105,131.79 = 17,497.26 : x
  2. Step 2: Convert to fraction form
    70,087.32/105,131.79 = 17,497.26/x
  3. Step 3: Cross multiply
    70,087.32x = 105,131.79 × 17,497.26
  4. Step 4: Simplify right side
    70,087.32x = 1,839,518,263.90
  5. Step 5: Solve for x
    x = 1,839,518,263.90/70,087.32
  6. Step 6: Final answer
    x = 26,246.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.